There are about a dozen published variations of equidistant conic map projections. They are identical when using the same actual standard parallels, but the parallels ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

THIS wall map is constructed on a conical projection on a scale of 1: 3,200,000, or 50.5 miles to an inch. It is provided with an inset map of the Philippines on a scale of 1: 7,500,000. The ...

THIS new edition of a well-known wall map will be welcomed in schools. It is drawn on a conical projection with true meridians of longitude and errorless parallels 55° 30′ and 58° north latitude. The ...